ResourceFetcherTest: introduce FetchTestingPlatformSupport

third_party/WebKit/Source/core/fetch/FetchTestingPlatformSupport.h

Index: third_party/WebKit/Source/core/fetch/FetchTestingPlatformSupport.h
diff --git a/third_party/WebKit/Source/core/fetch/FetchTestingPlatformSupport.h b/third_party/WebKit/Source/core/fetch/FetchTestingPlatformSupport.h
new file mode 100644
index 0000000000000000000000000000000000000000..48c4d29d9f4bccfa259466ee0845ac6c27d5ce5c
--- /dev/null
+++ b/third_party/WebKit/Source/core/fetch/FetchTestingPlatformSupport.h
@@ -0,0 +1,40 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef FetchTestingPlatformSupport_h
+#define FetchTestingPlatformSupport_h
+
+#include "platform/heap/Persistent.h"
+#include "platform/testing/TestingPlatformSupport.h"
+#include <memory>
+
+namespace blink {
+
+class MockFetchContext;
+
+class FetchTestingPlatformSupport
+    : public TestingPlatformSupportWithMockScheduler {
+ public:
+  FetchTestingPlatformSupport();
+  ~FetchTestingPlatformSupport() override;
+
+  MockFetchContext* context();
+
+  // Platform:
+  WebURLError cancelledError(const WebURL&) const override;
+  WebURLLoaderMockFactory* getURLLoaderMockFactory() override;
+  WebURLLoader* createURLLoader() override;
+
+ private:
+  class FetchTestingWebURLLoaderMockFactory;
+
+  Persistent<MockFetchContext> m_context;
+  std::unique_ptr<WebURLLoaderMockFactory> m_urlLoaderMockFactory;
+
+  DISALLOW_COPY_AND_ASSIGN(FetchTestingPlatformSupport);
+};
+
+}  // namespace blink
+
+#endif